# Hacker News Discussion Search: Performance Engineering & Optimization

> Hacker News Discussion Search: Performance Engineering & Optimization is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).

Searches public Hacker News stories focused on performance engineering and optimization topics, returning titles, links, scores, authors, and timestamps.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/demand-next-community-performance-tuning-founders?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/hacker-news-discussion-search-performance-engineering-optimization-72fe5932
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_F_qNFa8G01AJdlgdaqfeP

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability hacker-news-discussion-search-performance-engineering-optimization-72fe5932 -d '<json body>'
```

Example prompt: Search Hacker News for the top 5 discussions about performance engineering and optimization, especially ones relevant to startup founders — I want to see what the community is saying about tuning and scaling.

## When to prefer this

Choose this endpoint when you specifically want community-curated discussion content from Hacker News on performance engineering topics — particularly useful for gauging developer sentiment, discovering trending optimization techniques, or finding authoritative threads that founders and engineers are engaging with. Not suitable for real-time monitoring or crawling full websites.

## Known failure modes

- No results found for overly narrow or unusual query strings
- max_results out of range (must be 1–10) triggers validation error
- Network timeout if HN search index is slow to respond
- Payment failure if USDC balance is insufficient for the $0.01 per-call fee

## How this service works

Hacker News discussion search: performance engineering and optimization: Search public Hacker News stories for performance engineering and optimization. Returns story titles, links, scores, authors, and timestamps.

## Output

Returns a list of up to 10 Hacker News stories matching the performance engineering and optimization query, each containing the story title, URL, HN score, author username, and submission timestamp.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "default": "performance engineering and optimization Startup founders",
   "description": "Optional focused search query."
  },
  "max_results": {
   "type": "integer",
   "default": 5,
   "maximum": 10,
   "minimum": 1
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/hacker-news-discussion-search-performance-engineering-optimization-72fe5932/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)